Cita APA (7th ed.)

Palmer, A. (1974). Age of optimism (Revised and expanded edition.). Newsweek Books.

Cita Chicago (17th ed.)

Palmer, Alan. Age of Optimism. Revised and expanded edition. New York: Newsweek Books, 1974.

Cita MLA (9th ed.)

Palmer, Alan. Age of Optimism. Revised and expanded edition. Newsweek Books, 1974.